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  2. Prehn's sign - Wikipedia

    en.wikipedia.org/wiki/Prehn's_sign

    According to Prehn's sign, the physical lifting of the testicles relieves the pain of epididymitis but not pain caused by testicular torsion. [ 4 ] Negative Prehn's sign indicates no pain relief with lifting the affected testicle, which points towards testicular torsion which is a surgical emergency and must be relieved within 6 hours.

  3. List of eponymous medical signs - Wikipedia

    en.wikipedia.org/.../List_of_eponymous_medical_signs

    Sign Name Specialty Associated conditions External link (if no internal link) Descriptor Aaron's sign: Charles Dettie Aaron: surgery: appendicitis: epigastric pain with pressure on McBurney's point Abadie's sign: Jean Marie Charles Abadie: endocrinology: Graves' disease: levator palpebrae superioris spasm Abadie's symptom: Joseph Louis Irenée ...

  4. List of typographical symbols and punctuation marks - Wikipedia

    en.wikipedia.org/wiki/List_of_typographical...

    Feminine ordinal indicator, Degree sign: −: Minus sign: Hyphen-minus, Commercial minus: ×: Multiplication sign: X mark # Number sign: Numero sign. Also known as "octothorpe", "hash" and "hashtag sign" Pound sign № Numero sign: Number sign: Obelus: Division sign, Dagger, Commercial minus, Index ( ) Parenthesis: Bracket, Angle bracket ...

  5. False positives and false negatives - Wikipedia

    en.wikipedia.org/wiki/False_positives_and_false...

    The false positive rate (FPR) is the proportion of all negatives that still yield positive test outcomes, i.e., the conditional probability of a positive test result given an event that was not present.

  6. Phren - Wikipedia

    en.wikipedia.org/wiki/Phren

    Phren, however, is not exclusively applied to humans. In Empedocles' system, Phren is a general psychological agent to which moral blame and praise can be extended, [ 4 ] that darts through the universe as effluences, steers and controls the cosmos in the process and is the measure of what is harmonious and what is fit to exist. [ 5 ]

  7. Plus and minus signs - Wikipedia

    en.wikipedia.org/wiki/Plus_and_minus_signs

    The plus sign sometimes represents /ɨ/ in the orthography of Huichol. [25] In the algebraic notation used to record games of chess, the plus sign + is used to denote a move that puts the opponent into check, while a double plus ++ is sometimes used to denote double check. Combinations of the plus and minus signs are used to evaluate a move ...

  8. Phrenology - Wikipedia

    en.wikipedia.org/wiki/Phrenology

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  9. Kehr's sign - Wikipedia

    en.wikipedia.org/wiki/Kehr's_sign

    Kehr's sign is the occurrence of acute pain in the tip of the shoulder due to the presence of blood or other irritants in the peritoneal cavity when a person is lying down and the legs are elevated. Kehr's sign in the left shoulder is considered a classic symptom of a ruptured spleen .